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KOYO / Spherical roller bearings

KOYO 23938R

Spherical roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
190 mm
Outside diameterD
260 mm
WidthB
52 mm
Dynamic load ratingC
608 kN
Static load ratingC0
969 kN
Limiting speednG
1200 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSpherical roller bearings
Bore diameterd190 mm
Outside diameterD260 mm
WidthB52 mm
Basic dynamic load ratingC608 kN
Basic static load ratingC0969 kN
Fatigue load limitPu90.7 kN
Limiting speednG1200 r/min
Mass≈m8.4 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key060-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathSpherical roller bearings - Spherical roller bearings
Official Classification 1Spherical roller bearings
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d190 mm
D260 mm
B52 mm
R(Min.)2 mm
Basic Load Ratings : Cr608 kN
Basic Load Ratings : C0R969 kN
Fatigue Load Limit : Cu90.7 kN
Limiting Speeds(Grease Lub.)1200 min-1
Limiting Speeds(Oil Lub.)1600 min-1
Constant E0.18
Axial Load Factors : Y13.69
Axial Load Factors : Y25.50
Axial Load Factors : Y03.61
Da(Min.)200 mm
Da(Max.)250 mm
Ra(Max.)2 mm
Mass(Refer.)8.40 kg

Technical documents & data sheet

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Record identity
KOYO 23938R
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